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LP 1st Stage Adapters

The Scuba Doctor offers a large variety of low pressure (LP) first stage regulator port adaptors for recreational, technical, rebreather, sidemount and commercial diving applications.

Reminder: The actual configuration of an adaptor is a mirror image of its use. A 3/8"-24 UNF FEMALE port requires a 3/8"-24 UNF MALE adapter etc. In technical diving operations where many fittings may get co-mingled, be sure that all adapter combinations can accommodate the intended flows and pressures.

Looking for a particular fitting you don't see here? Let us know and we'll see if we can order it for you.

We reserve the right to limit order quantities to less than 10 pieces because our supply is appropriate for the demands of individual divers, but not bulk orders. Large volume bulk orders will NOT qualify for our free shipping promotion.



Product Image Item Name- Price
AP Diving LP 3/8" Male Inflator/Regulator Hose Shortener

AP Diving LP 3/8" Male Inflator/Regulator Hose Shortener

The AP Diving LP 3/8-inch Male Inflator/Regulator Hose Shortener lets you shorten, or repair if damaged, a rubber low pressure regulator or inflator...
$40.00  $35.00
Save: $5.00 (12%)


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Sonar LP 3/8" Male to 1/2" Female UNF Adapter

Sonar LP 3/8" Male to 1/2" Female UNF Adapter

The Sonar Low Pressure (LP) 3/8 inch Male to 1/2 inch Female UNF adaptor enables you to connect a 1/2" Male end LP hose to any dive regulator that...
$12.00  $4.00
Save: $8.00 (67%)


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Sonar LP 3/8" Male to 3/8" Female 1st Stage Elbow Swivel Adapter

Sonar LP 3/8" Male to 3/8" Female 1st Stage Elbow Swivel Adapter

The Sonar Low Pressure (LP) 3/8 inch Male to 3/8 inch Female 1st Stage L-Shaped Elbow Swivel Adapter redirects a low pressure port on a first stage...
$44.00  $22.00
Save: $22.00 (50%)


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Sonar LP 3/8" Male to 9/16" Male UNF Adapter

Sonar LP 3/8" Male to 9/16" Male UNF Adapter

The Sonar Low Pressure (LP) 3/8 inch Male to 9/16 inch Male UNF adaptor converts 1st stage thread to second stage thread. The 3/8"-24 UNF Male end of...
$15.00  $13.00
Save: $2.00 (13%)


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Sonar LP 3/8" Male to Dual 3/8" Female 1st Stage Adapter

Sonar LP 3/8" Male to Dual 3/8" Female 1st Stage Adapter

The Sonar Low Pressure (LP) 3/8" Male to Dual 3/8" Female 1st Stage Adapter is used to increase the number of low pressure ports on a first stage...
$44.00  $22.00
Save: $22.00 (50%)


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Sonar LP 3/8" Male UNF Safety Over Pressure Valve (OPV)

Sonar LP 3/8" Male UNF Safety Over Pressure Valve (OPV)

The Sonar Low Pressure (LP) 3/8 inch Male UNF standard safety Over Pressure Relief Valve (OPV or OPRV) is factory set for 175 to 185 psi for pressure...
$20.00  $8.00
Save: $12.00 (60%)


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Sonar LP One-Way Inline Check Valve - 3/8" Male to Apeks QD

Sonar LP One-Way Inline Check Valve - 3/8" Male to Apeks QD

The Sonar Low Pressure (LP) 3/8 inch UNF Male to Apeks/SeaQuest Male Quick Disconnect (QD) One-Way Inline Check Valve prevents the influx of water...
$40.00  $20.00
Save: $20.00 (50%)


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Sonar LP One-Way Inline Check Valve - 9/16" Male to Apeks QD

Sonar LP One-Way Inline Check Valve - 9/16" Male to Apeks QD

The Sonar Low Pressure (LP) 9/16 inch UNF Male to Apeks/SeaQuest Male Quick Disconnect (QD) One-Way Inline Check Valve prevents the influx of water...
$40.00  $20.00
Save: $20.00 (50%)


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Adapter LP - 1/2M x 3/8F UNF - to Suit Mares Regulator

Adapter LP - 1/2M x 3/8F UNF - to Suit Mares Regulator

Alpha low pressure 1/2 inch Male to 3/8 inch Female UNF adaptor to suit Mares regulator. Allows you to connect a standard 3/8 inch regulator hose to...
$15.00  $11.00
Save: $4.00 (27%)


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Adapter/Coupling - LP Jetstream and Xstream Regulators

Adapter/Coupling - LP Jetstream and Xstream Regulators

Low Pressure (LP) 9/16" Male to Poseidon Jetstream and Xstream regulator hose adapter. Adapters suitable for newer models of Poseidon Jetstream and...
$39.00  $37.00
Save: $2.00 (5%)


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Monthly Specials For December



Sonar LP 3/8" Male to 9/16" Male UNF Adapter

Sonar LP 3/8" Male to 9/16" Male UNF Adapter
$15.00  $13.00
Save: $2.00 (13%)

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